/[simile]/links/csv2js.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Contents of /links/csv2js.pl

Parent Directory Parent Directory | Revision Log Revision Log


Revision 5 - (show annotations)
Thu Aug 23 12:00:29 2007 UTC (12 years, 2 months ago) by dpavlin
File MIME type: text/plain
File size: 3687 byte(s)
convert strings that look like kb/mb/gb to human readable,
unroll every splited value into it's own field
1 #!/usr/bin/perl
2
3 use warnings;
4 use strict;
5
6 use Text::CSV_XS;
7 use Text::CSV::Separator qw(get_separator);
8 use Carp qw/confess/;
9 use LWP::Simple;
10 use Number::Bytes::Human qw/format_bytes/;
11
12 use JSON::Syck;
13 use Data::Dump qw/dump/;
14
15 $|++;
16
17 my $csv_path = 'links.csv';
18 my $img_path = 'img';
19 my $first_line_labels = 1;
20 my $split_fields = {
21 label => sub { return split(/,\s*/,$_[0]) },
22 };
23
24 my @char_list = get_separator( path => $csv_path );
25
26 my $separator;
27 if (@char_list) {
28 if (@char_list == 1) {
29 $separator = $char_list[0];
30 } else {
31 $separator = $char_list[0];
32 }
33 } else {
34 die "Couldn't detect the field separator.\n";
35 }
36
37 warn "Separator: $separator\n";
38
39 my $csv_parser = Text::CSV_XS->new({
40 sep_char => $separator,
41 # binary => '1',
42 # always_quote => '1'
43 });
44
45 open my $csv_fh, '<', $csv_path;
46
47 my @dump;
48
49 my @labels;
50
51 my $split_stats;
52
53 my $multiplier = {
54 kb => 1024,
55 mb => 1024 * 1024,
56 gb => 1024 * 1024 * 1024,
57 };
58
59 my $multiplier_regex = join('|',keys %$multiplier);
60
61 sub clean {
62 my @out;
63 foreach my $l ( @_ ) {
64 my $o = $l;
65 $l =~ s/^(['"])(.*)\1/$2/;
66 $l =~ s/^\s+//s;
67 $l =~ s/\s+$//s;
68 push @out, $l;
69 warn "clean '$o' -> '$l'\n" if ( $o ne $l );
70 }
71 return @out if wantarray;
72 return shift @out;
73 }
74
75 sub human {
76 my $s = shift;
77
78 if ( $s =~ m/(\d+)\s*($multiplier_regex)/i) {
79 my ( $v, $m ) = ( $1, lc($2) );
80 my $factor = $multiplier->{$m};
81 confess "can't find multiplier $m" unless defined $factor;
82 my $new = format_bytes( $v * $factor, bs => 1024 );
83 warn "## [$s] $v * $factor ($m) -> $new\n";
84 return $new;
85 }
86 return;
87 }
88
89 while (<$csv_fh>) {
90 $csv_parser->parse($_);
91 my @fields = $csv_parser->fields;
92
93 if ( $first_line_labels && $. == 1 ) {
94 @labels = @fields;
95 next;
96 }
97
98 my $h;
99 foreach my $i ( 0 .. $#fields ) {
100 my $l = $labels[$i];
101 die "no label for field $i '$fields[$i]'" unless $l;
102
103 my $v = clean( $fields[$i] );
104 # FIXME reject some values?
105
106 $h->{ $l } = $v;
107
108 if ( my $split = $split_fields->{$l} ) {
109 confess "expected CODE for \$split_files->{$l}" unless ref($split) eq 'CODE';
110
111 my @sv = $split->( $v );
112
113 # warn "sv = ",dump( @sv );
114
115 foreach my $j ( 0 .. $#sv ) {
116
117 my $v = clean( $sv[$j] );
118
119 if ( $j == 0 ) {
120 $h->{ $l . '_short' } = $v;
121 }
122
123 if ( my $human = human( $v ) ) {
124 $h->{ $l . '_' . $j . '_human' } = $human;
125 } else {
126 $h->{ $l . '_' . $j } = $v;
127 }
128
129 $split_stats->{$v}->{$j}++;
130 $split_stats->{$v}->{sum}++;
131 push @{ $split_stats->{$v}->{rec}->{$#dump + 1} }, $j;
132 }
133 }
134 }
135 warn "\nRecord #$. ",dump($h),"\n";
136
137 my $id = $h->{id};
138
139 if ( ! defined($id) || $id eq '' ) {
140 warn "## skipped: $_";
141 next;
142 }
143
144 my $url = "http://www.links.hr/photo/big/$id.jpg";
145 my $img_thumb_path = "$img_path/t/$id.jpg";
146 my $img_orig_path = "$img_path/$id.jpg";
147
148 if ( mirror( $url, $img_orig_path ) != RC_NOT_MODIFIED ) {
149 warn "$url -> $img_orig_path\n";
150 }
151 system('convert', '-geometry', '320x200', $img_orig_path, $img_thumb_path ) if ! -e $img_thumb_path;
152
153 $h->{'image-url'} = $img_orig_path;
154 $h->{'image-thumb-url'} = $img_thumb_path;
155
156 push @dump, $h;
157 }
158
159 close $csv_fh;
160
161 foreach my $v ( keys %$split_stats ) {
162
163 if ( $split_stats->{$v}->{sum} == 1 ) {
164 delete( $split_stats->{$v} );
165 next;
166 }
167
168 foreach my $i ( keys %{ $split_stats->{$v}->{rec} } ) {
169 push @{ $dump[ $i ]->{feature} }, $v;
170 }
171 }
172
173 #warn "split_stats = ", dump( $split_stats ), "\n";
174
175 warn "dump = ", dump( @dump ), "\n";
176
177 print "features: .", join(', .', keys %$split_stats), "\n";
178
179 my $js_path = $csv_path;
180 $js_path =~ s/\.csv/.js/gi;
181
182 open my $fh, '>', $js_path || die "can't open $js_path: $!";
183 print $fh JSON::Syck::Dump( { items => \@dump } );
184 close $fh;
185

Properties

Name Value
svn:executable

  ViewVC Help
Powered by ViewVC 1.1.26